jennan272 jennan272

15-04-2021
Mathematics

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The image shows parallel lines cut by a transversal. The expressions represent unknown angle measurements. What is the value of x?

The image shows parallel lines cut by a transversal The expressions represent unknown angle measurements What is the value of x class=

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jimrgrant1 jimrgrant1

15-04-2021

Answer:

x = 7

Step-by-step explanation:

The 2 angles are adjacent and sum to 180° , that is

11x + 8 + 12x + 11 = 180

23x + 19 = 180 ( subtract 19 from both sides )

23x = 161 ( divide both sides by 23 )

x = 7

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